BMW B58 JB4 Tuner (Gen 1 & Gen 2) - Burger Tuning Choose vehicle:Gen2 B58 JB4PRO Fitment: Laser-cut mounting brackets and

Fitment: Laser-cut mounting brackets and CNC-machined prongs ensure a precise fit with your stock mounting points

The maintenance process is simple

• Preloaded with custom JB4 GMC Canyon tuning software and up to 8 maps for various fuel and modification levels

70x12 Phillips MAF screws

BMW B58 JB4 Tuner (Gen 1 & Gen 2) - Burger Tuning Choose vehicle:Gen2 B58 JB4PRO Fitment: Laser-cut mounting brackets andPower gains of up to 120whp and 120wtq. on a stock vehicle without the risks of flashing! The JB4 is the most advanced and feature rich tuning system available for BMW's B58 engines, offering significant power gains, seamless integration, and unparalleled ease of use. With its plug and play design and innovative features, the JB4 transforms your driving experience without requiring additional modifications. Unlike traditional ECU flash tuning, the JB4